ON SPARSE SETS AND DENSITY POINTS DEFINED BY FAMILIES OF SEQUENCES

被引：0
|
作者：
Filipczak, Tomasz [1 ]
机构：
[1] Tech Univ Lodz, Inst Math, Ul Wolczanska 215, PL-93005 Lodz, Poland
来源：
BULLETIN OF THE INSTITUTE OF MATHEMATICS ACADEMIA SINICA NEW SERIES | 2008年 / 3卷 / 02期
关键词：
Sparse sets; density points;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In the paper a condition equivalent to sparseness of a set is formulated. This condition is a base for a definition of a density point with respect to a family of sequences (C-density). It is shown that C-density is a generalization of a density with respect to one sequence (< a >-density).
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页码：339 / 346
页数：8
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